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Table 5

Detection rates of the observed molecular lines (J = 1−0) for 14 protostellar cores, 7 prestellar cores, and 8 observation reference positions that are offset from the cores.

No. H13CO+ HN13C C2H HCN HCO+ HNC N2H+ C18O 13CO
Protostellar 79% 64% 100% 100% 100% 100% 71% 86% 100%
Prestellar 86% 71% 71% 71% 57% 71% 71% 100% 100%
Reference 50% 13% 88% 88% 88% 100% 38% 100% 100%

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